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  2. Surgical suture - Wikipedia

    en.wikipedia.org/wiki/Surgical_suture

    The 2nd-century Roman physician Galen described sutures made of surgical gut or catgut. [27] In the 10th century, the catgut suture along with the surgery needle were used in operations by Abulcasis. [28] [29] The gut suture was similar to that of strings for violins, guitars, and tennis racquets and it involved harvesting sheep or cow ...

  3. Catgut suture - Wikipedia

    en.wikipedia.org/wiki/Catgut_suture

    Surgical suture on needle holders. Catgut suture in a vintage glass dispenser. Catgut suture is a type of surgical suture made of twisted strands of purified collagen taken from the small intestine of domesticated ruminants or beef tendon. It is naturally degraded by the body's own proteolytic enzymes.

  4. Surgical knot - Wikipedia

    en.wikipedia.org/wiki/Surgical_knot

    Each knot formed has to be guided through a laparoscopic cannula and made tight with a knot-pusher to create the knot. [5] In laparoscopic surgery, a stronger braided suture is often preferred if the knot pusher is used because suture fraying is a side effect of this technique. A disadvantage of knot tying being done outside the body is that it ...

  5. Needlestick injury - Wikipedia

    en.wikipedia.org/wiki/Needlestick_injury

    Needlestick injuries may also occur when needles are exchanged between personnel, loaded into a needle driver, or when sutures are tied off while still connected to the needle. Needlestick injuries are more common during night shifts [ 14 ] and for less experienced people; fatigue, high workload, shift work, high pressure, or high perception of ...

  6. Suture materials comparison chart - Wikipedia

    en.wikipedia.org/wiki/Suture_materials...

    A synthetic adsorbable suture material. Braided synthetic adsorbable multifilament made of polyglycolic acid and coated with N-laurin and L-lysine, which render the thread extremely smooth, soft and knot safe. A synthetic adsorbable suture material. Monofilament synthetic absorbable suture, prepared from the polyester, poly (p-dioxanone ...

  7. Surgical instrument - Wikipedia

    en.wikipedia.org/wiki/Surgical_instrument

    Needles have different shapes (e.g. j shape, ½ circle, straight) and cutting edges (tapered - round, conventional cutting - triangular) depending on the application and areas of the suture. [21] Sutures can be categorized based on different sizes (e.g.#5-#11, higher numbers represent larger suture diameter) and types (absorbable and ...

  8. A prehistoric innovation marked a major shift in how humans ...

    www.aol.com/news/paleolithic-humans-used-eyed...

    The eyed needle — a sewing tool that first appeared around 40,000 years ago — might be hiding important clues about the beginnings of fashion, a new study finds.

  9. Vertical mattress stitch - Wikipedia

    en.wikipedia.org/wiki/Vertical_mattress_stitch

    The vertical mattress stitch, often called vertical Donati stitch (named after the Italian surgeon Mario Donati), [1] is a suture type used to close skin wounds. The advantages of the vertical mattress suture are that it provides closure for both deep and superficial layers, and also allows perfect eversion and vertical opposition of the ...

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